1. a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen; [syn: cathode-ray tube, CRT]
WordNet (r) 3.0 (2006):
cathode-ray tube
n 1: a vacuum tube in which a hot cathode emits a beam of
electrons that pass through a high voltage anode and are
focused or deflected before hitting a phosphorescent screen
[syn: cathode-ray tube, CRT]